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  2. List of Washington (state) area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Washington_(state...

    The state initially used a single area code until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington. In 1995, 206 was split again to serve just the Puget Sound region after area code 360 was created for the remainder of Western Washington .

  3. List of Washington area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Washington_area_codes

    List of Washington area codes may refer to: List of Washington (state) area codes; List of Washington, D.C., area codes This page was last edited on 23 ...

  4. Category:Area codes in Washington (state) - Wikipedia

    en.wikipedia.org/wiki/Category:Area_codes_in...

    List of Washington (state) area codes; 0–9. Area code 206; Area code 253; Area code 360; Area code 425; Area code 509; Area code 564

  5. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    once reserved as a third area code for West Virginia, but it was replaced by a 304-932 exchange area code + exchange number in Charleston; 933: not in use; available for non-geographic assignment easily recognizable code (ERC) 934: New York (Suffolk County on Long Island) July 16, 2016: overlaid on 631; 935: not in use; available for geographic ...

  6. List of airports in Washington (state) - Wikipedia

    en.wikipedia.org/wiki/List_of_airports_in...

    The state also has several military airports and private airfields. [1] [2] Public airports owned by municipal corporations, including public port districts, were authorized by the Washington State Legislature in 1941. [3] This list contains all public-use and military airports in the state, grouped by type and sorted by location.

  7. Area code 509 - Wikipedia

    en.wikipedia.org/wiki/Area_code_509

    Area code 509 is the telephone area code in the North American Numbering Plan (NANP) for the eastern part of the U.S. state of Washington. The numbering plan area (NPA) roughly comprises the state east of the Cascade Mountains, and includes Spokane, the Tri-Cities (Richland, Pasco, and Kennewick), Ellensburg, Yakima, Walla Walla, and Wenatchee ...

  8. Area code 206 - Wikipedia

    en.wikipedia.org/wiki/Area_code_206

    Area code 206 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Washington. The numbering plan area (NPA) includes Seattle and most of its innermost suburbs. This includes such suburbs as Shoreline and Lake Forest Park ; Mercer , Bainbridge , and Vashon Islands; and portions of metropolitan Seattle from ...

  9. Area code 360 - Wikipedia

    en.wikipedia.org/wiki/Area_code_360

    From 1947 to 1957, all of Washington state was assigned area code 206 for routing long-distance telephone calls in Operator Toll Dialing.In 1957, the numbering plan area (NPA) was reduced to just the western part of the state, with most of the state east of the Cascade Mountains becoming area code 509.